CN103615831A - Steam pressure lifting adsorption method and heat pump utilizing same - Google Patents

Steam pressure lifting adsorption method and heat pump utilizing same Download PDF

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Publication number
CN103615831A
CN103615831A CN201310569116.2A CN201310569116A CN103615831A CN 103615831 A CN103615831 A CN 103615831A CN 201310569116 A CN201310569116 A CN 201310569116A CN 103615831 A CN103615831 A CN 103615831A
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steam
absorber
heat
outlet
import
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CN103615831B (en
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尹华勤
杨建平
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Wuxi Xuelang Environmental Technology Co Ltd
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Wuxi Xuelang Environmental Technology Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration

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  • Sorption Type Refrigeration Machines (AREA)

Abstract

The invention provides a steam pressure lifting adsorption method. Currently, mature heat pumps mainly have two types including an electric-driven mechanical compressing system and a liquid-gas absorption system; both the two systems have defects, the mechanical compressing system is power-energy consuming, high in equipment investment, high operation cost and restricted in large-scale application, and the liquid-gas absorption system affected by low efficiency is large in equipment size and poor in economic efficiency; due to characteristics of refrigerant, absorber, mechanical equipment and system techniques, low heat-pump output temperature is the common problem of existing heat pumps. The steam pressure lifting adsorption method by which substantial waste heat can be fully utilized is provided to overcome the defects. The invention further provides a steam pressure lifting adsorption pump. By the steam pressure lifting adsorption pump which transmits heat and directly introduces waste-heat steam as circulatory media according to the steam pressure lifting adsorption method, heat transmission steps and system equipment composition are simplified, and the problems of low-grade waste-heat steam utilization and about energy conservation are solved.

Description

The heat pump of a kind of steam pressure lifting absorption method and use the method
Technical field
The present invention relates to the energy-conservation technical field of UTILIZATION OF VESIDUAL HEAT IN, be specially a kind of steam pressure lifting absorption method, the present invention also provides the steam pressure lifting adsorption type heat pump that uses the method transferring heat.
Background technology
The heat pump of comparative maturity mainly contains two kinds of forms at present: a kind of is electric drive mechanical compression type system, and another kind is liquid-vapour absorption system.But these two kinds all have weak point, and mechanical compression type need to consume electric energy, and equipment investment is large, and operating cost is high, system maximizes to apply and is restricted.Liquid-vapour absorption system is subject to inefficient impact, and equipment is huge, and economy is poor.Characteristic due to cold-producing medium, absorbent, plant equipment and system process, existing heat pump has the output temperature that a common issue is exactly heat pump not high, the a large amount of afterheat steams that exist for industries such as metallurgy, chemical industry, building materials, electric power, adopt conventional heat pump to improve output temperature difficult, make the afterheat steam can not extensive use, a large amount of waste heats waste.
Summary of the invention
For existing above-mentioned defect, the invention provides a kind of steam pressure lifting absorption method, it is fully used a large amount of waste heat energies, the present invention also provides steam pressure lifting adsorption type heat pump, it uses steam pressure lifting absorption method transferring heat, directly introduces afterheat steam as circulatory mediator, simplifies heat transfer link and system equipment and forms, solved low grade residual heat steam utilization problem, and energy-conservation problem.
A kind of steam pressure lifting absorption method, it is characterized in that: by the absorber that adsorbent is housed, afterheat steam is adsorbed, part afterheat steam is adsorbed and becomes liquid state, discharge a large amount of heats, these heats heat the afterheat steam of remainder again, have improved the temperature of afterheat steam.High-temperature residual heat steam after absorber absorption heats external agency, after external agency absorbs heat, its temperature gets a promotion, external agency temperature after lifting can, higher than the temperature of afterheat steam before absorber, realize the transmission of heat from low-temperature heat source to high temperature heat source.
It is further characterized in that: the steam after heat release is mixed with the afterheat steam from vapour source by steam mixer, and mixed steam enters absorber and continues to be adsorbed its temperature of agent absorption raising;
The adsorbent explosive decompression that adsorption moisture reaches capacity under afterheat steam pressure, the part moisture being adsorbed will desorption, then the moisture of desorption is discharged, and has realized the regeneration of adsorbent, just can carry out absorption next time, and adsorbent is reused;
Described adsorbent comprises silica gel, activated aluminum, synthetic zeolite, active carbon.
Steam pressure lifting adsorption type heat pump, its technical scheme is such: it comprises heat exchanger, it is characterized in that: it also comprises steam mixer and intensification module, described intensification module is absorber intensification module; Described steam mixer has steam mixer import, circulation import and steam mixer outlet, described steam mixer import is connected with the source of steam by pipeline, described steam mixer outlet is connected with described intensification module by cryogenic piping, on described heat exchanger, have heat exchanger inlets, heat exchanger outlet, external agency import and external agency outlet, described heat exchanger inlets is connected by high-temperature pipe with described intensification module, and described heat exchanger outlet is connected by pipeline with the circulation import on described steam mixer.
It is further characterized in that: described intensification module comprises at least two absorbers, and the described absorber under in working order comprises the absorber under adsorbed state, the absorber under detachment status;
Described cryogenic piping connects import branch, between described cryogenic piping and each import branch, import check valve is housed, and described import check valve points to described absorber; Near described absorber import department, be connected with out waterline, describedly go out waterline two ends and be connected in described import branch, in the described both sides that go out on waterline near described import branch, water one-way valve is respectively installed out, described in each, go out and connect outlet pipe in the middle of water one-way valve, described in go out water one-way valve and point to described outlet pipe; Outlet check valve is equipped with between described high-temperature pipe and each outlet branch in described high-temperature pipe connection outlet branch, and described outlet check valve points to described high-temperature pipe; Near described absorber exit, be connected with cleaning line, described cleaning line two ends are connected in described outlet branch, and the both sides near described outlet branch on described cleaning line are respectively provided with cleaning check valve, the described outlet of described cleaning check valve sensing branch; In described intensification module, pressure-reducing valve line is housed, described pressure-reducing valve line one end is connected to described in each and exports between check valve, and one end is connected to described in each and cleans between check valve, on described pressure-reducing valve, pressure-reducing valve is housed.
Adopt after the present invention, owing to having utilized steam as circulation vector, steam is not wasted with regard to being utilized like this, and steam is constantly to recycle, so just improved steam utilization rate, in sum, adopt after the present invention, can effectively utilize steam, and save energy resource consumption.
Accompanying drawing explanation
Fig. 1 is steam pressure lifting adsorption type heat pump process flow diagram of the present invention;
Fig. 2 is the present invention while working, and right absorber absorption heats up, work reason schematic diagram during left absorber desorption and regeneration;
Fig. 3 is the present invention while working, and left absorber absorption heats up, operation principle schematic diagram during right absorber desorption and regeneration.
The specific embodiment
See Fig. 1～Fig. 3, steam pressure lifting adsorption type heat pump, it comprises steam mixer 1, heat exchanger 2 and intensification module 3, steam mixer has steam mixer import, circulation import and steam mixer outlet, steam mixer import is connected with steam source by pipeline, steam mixer outlet is connected with intensification module 3 by cryogenic piping 4, intensification module 3 is absorber intensification module, on heat exchanger 2, have heat exchanger inlets, heat exchanger outlet, external agency import and external agency outlet, heat exchanger inlets is connected by high-temperature pipe 5 with described intensification module 3, heat exchanger outlet is connected by pipeline with the circulation import on described steam mixer.
Intensification module 3 comprises two absorbers, be respectively left absorber 6 and right absorber 7, adsorbent is housed in absorber, left absorber 6 and right absorber 7 are connected in parallel, described cryogenic piping 4 connects import branch, between cryogenic piping 4 and each import branch, import check valve 8 and 9 are housed, import check valve 8 points to absorber 6, and import check valve 9 points to absorber 7; Near absorber import department, be connected with out waterline 10, going out waterline 10 two ends is connected in described import branch, in the both sides that go out on waterline 10 near described import branch, water one- way valve 15 and 16 are respectively installed out, go out water one-way valve 15 with 16 in the middle of be connected outlet pipe 11, go out water one- way valve 15 and 16 and all point to outlet pipe 11; Outlet check valve 19 and 20 is equipped with between high-temperature pipe 5 and each outlet branch in high-temperature pipe 5 connection outlet branches, and outlet check valve 19 and 20 all points to high-temperature pipe 5; Near absorber exit, be connected with and cleaning line 12,12 liang of ends of cleaning line are connected in outlet branch, clean the both sides near outlet branch on line 12 cleaning check valve 17 and 18 is respectively installed, and clean check valve 17 and 18 and all point to outlet branch; Pressure-reducing valve line 13 is housed in intensification module, and pressure-reducing valve line 13 one end are connected between outlet check valve 19 and 20, and one end is connected to be cleaned between check valve 17 and 18, and pressure-reducing valve 14 is housed on described pressure-reducing valve.
When heat pump is started working, steam enters steam mixer 1 by pipeline, then by cryogenic piping 4, enters intensification module 3.
First closing one- way valve 8, 16, 17, 19, open check valve 9, 15, 18, 20 and pressure-reducing valve 14, steam enters right absorber 7, part steam is adsorbed to saturated formation aqueous water and emits heat by the adsorbent in right absorber 7, these heats are heated to into high-temperature steam by residual steam, most of high-temperature steam enters heat exchanger 2 by high-temperature pipe 5 after leaving right absorber, the external agency entering from external agency import is heated, heating later external agency is discharged from external agency outlet, high-temperature steam now temperature reduces, through outlet and pipeline, enter steam mixer 1, mix with the Low Temperature Steam newly entering, small part high-temperature steam enters left absorber 6 through pressure-reducing valve 14 after leaving right absorber 7, force the interior desorption water of left absorber 6 by going out waterline 10, to discharge under pressure, adsorbent in left absorber can be adsorbed again, when right absorber 7 completes absorption, after left absorber 6 dehydrations, closing one- way valve 9, 15, 18, 20, open check valve 8, 16, 17, 19, now the steam in steam mixer 1 interior mixing enters left absorber 6 by cryogenic piping 4, part steam is adsorbed to saturated formation aqueous water and emits heat by the adsorbent in left absorber 6, these heats are heated to into high-temperature steam by residual steam, most of high-temperature steam enters heat exchanger 2 by high-temperature pipe 5 after leaving right absorber, the external agency entering from external agency import is heated, heating later external agency is discharged from external agency outlet, high-temperature steam now temperature reduces, through outlet and pipeline, enter steam mixer 1, mix with the Low Temperature Steam that continues newly to enter, small part high-temperature steam enters right absorber 7 through pressure-reducing valve 14 after leaving left absorber 6, force the interior desorption water of right absorber 7 by going out waterline 10, to discharge under pressure, adsorbent in right absorber can be adsorbed again, follow closing one-way valve 8 again, 16, 17, 19, open check valve 9, 15, 18, 20, above-mentioned steps is circulation then.
Adopt after the present invention, owing to having utilized steam as circulation vector, steam is not wasted with regard to being utilized like this, and steam is constantly to recycle, so just improved steam utilization rate, in sum, adopt after the present invention, effectively utilize steam, and saved energy resource consumption.

Claims (7)

1. a steam pressure lifting absorption method, it is characterized in that: by the absorber that adsorbent is housed, afterheat steam is adsorbed, part afterheat steam is adsorbed and becomes liquid state, discharge a large amount of heats, these heats heat the afterheat steam of remainder again, improved the temperature of afterheat steam, high-temperature residual heat steam after absorber absorption heats external agency, after external agency absorbs heat, its temperature gets a promotion, external agency temperature after lifting can be higher than the temperature of afterheat steam before absorber, realized the transmission of heat from low-temperature heat source to high temperature heat source.
2. a kind of steam pressure lifting absorption method according to claim 1, is characterized in that: the steam after heat release is mixed with the afterheat steam from vapour source by steam mixer, and mixed steam enters absorber and continues to be adsorbed its temperature of agent absorption raising.
3. a kind of steam pressure lifting absorption method according to claim 2, it is characterized in that: the adsorbent explosive decompression that adsorption moisture reaches capacity under afterheat steam pressure, the part moisture being adsorbed will desorption, then the moisture of desorption is discharged, realized the regeneration of adsorbent, just can carry out absorption next time, adsorbent is reused.
4. according to a kind of steam pressure lifting absorption method described in claim 1 or 2 or 3, it is characterized in that: described adsorbent comprises silica gel, activated aluminum, synthetic zeolite, active carbon.
5. steam pressure lifting adsorption type heat pump, its technical scheme is such: it comprises heat exchanger, it is characterized in that: it also comprises steam mixer and intensification module, described intensification module is absorber intensification module; Described steam mixer has steam mixer import, circulation import and steam mixer outlet, described steam mixer import is connected with the source of steam by pipeline, described steam mixer outlet is connected with described intensification module by cryogenic piping, on described heat exchanger, have heat exchanger inlets, heat exchanger outlet, external agency import and external agency outlet, described heat exchanger inlets is connected by high-temperature pipe with described intensification module, and described heat exchanger outlet is connected by pipeline with the circulation import on described steam mixer.
6. steam pressure lifting adsorption type heat pump according to claim 5, is characterized in that: described intensification module comprises at least two absorbers, and the described absorber under in working order comprises the absorber under adsorbed state, the absorber under detachment status.
7. steam pressure lifting adsorption type heat pump according to claim 6, is characterized in that: described cryogenic piping connects import branch, between described cryogenic piping and each import branch, import check valve is housed, and described import check valve points to described absorber; Near described absorber import department, be connected with out waterline, describedly go out waterline two ends and be connected in described import branch, in the described both sides that go out on waterline near described import branch, water one-way valve is respectively installed out, described in each, go out and connect outlet pipe in the middle of water one-way valve, described in go out water one-way valve and point to described outlet pipe; Outlet check valve is equipped with between described high-temperature pipe and each outlet branch in described high-temperature pipe connection outlet branch, and described outlet check valve points to described high-temperature pipe; Near described absorber exit, be connected with cleaning line, described cleaning line two ends are connected in described outlet branch, and the both sides near described outlet branch on described cleaning line are respectively provided with cleaning check valve, the described outlet of described cleaning check valve sensing branch; In described intensification module, pressure-reducing valve line is housed, described pressure-reducing valve line one end is connected to described in each and exports between check valve, and one end is connected to described in each and cleans between check valve, on described pressure-reducing valve, pressure-reducing valve is housed.
CN201310569116.2A 2013-11-15 2013-11-15 A kind of heat pump of steam pressure lifting absorption method and use the method Active CN103615831B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027098A1 (en) * 1993-05-11 1994-11-24 Rocky Research Improved heat transfer apparatus and methods for solid-vapor sorption systems
CN1181804A (en) * 1995-02-16 1998-05-13 罗基研究公司 Improved refrigerators/freezers incorporating solid-vapor sorption reactors capable of high reaction rates
CN2460934Y (en) * 2001-01-21 2001-11-21 山东博泵科技股份有限公司 Water spray pump with heat pump device
WO2013076805A1 (en) * 2011-11-22 2013-05-30 富士通株式会社 Suction-type heat pump system and suction-type heat pump driving method
US20130139538A1 (en) * 2010-08-05 2013-06-06 Fujitsu Limited Adsorption heat pump
CN203629126U (en) * 2013-11-15 2014-06-04 无锡雪浪环境科技股份有限公司 Steam pressure lifting adsorption heat pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994027098A1 (en) * 1993-05-11 1994-11-24 Rocky Research Improved heat transfer apparatus and methods for solid-vapor sorption systems
CN1181804A (en) * 1995-02-16 1998-05-13 罗基研究公司 Improved refrigerators/freezers incorporating solid-vapor sorption reactors capable of high reaction rates
CN2460934Y (en) * 2001-01-21 2001-11-21 山东博泵科技股份有限公司 Water spray pump with heat pump device
US20130139538A1 (en) * 2010-08-05 2013-06-06 Fujitsu Limited Adsorption heat pump
WO2013076805A1 (en) * 2011-11-22 2013-05-30 富士通株式会社 Suction-type heat pump system and suction-type heat pump driving method
CN203629126U (en) * 2013-11-15 2014-06-04 无锡雪浪环境科技股份有限公司 Steam pressure lifting adsorption heat pump

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